Year % of people at risk 2005 37.6 2006 36.7 2008 33.2 2009 28.5 2010 32.6 2011 32.1 2012 31.8 2013 31.8 2014 32.4 2015 32.4 2016 25.3 2017 25.1 2018 24.8 2019 34.3 2020 33.1 2021 32.3 2022 32.1